15840 (number)

15840 is an even 5-digits composite number following 15839 and preceding 15841. In scientific notation, it is written as 1.5840 × 10^4. The sum of its digits is 18. It has a total of 8 prime factors and 48 positive divisors. There are 3840 positive integers (up to 15840) that are relatively prime to 15840.

Interesting facts

Basic properties

Name

Name fifteen thousand eight hundred forty

Notation

Scientific notation 1.5840 × 10^4
Engineering notation 1.5840 × 10^3

Prime Factorization of 15840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 33 × 3 × 5

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 990
Product of the distinct prime numbers

The prime factorization of 15840 is 2 × 2 × 2 × 2 × 2 × 33 × 3 × 5. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 3, 5, 8, 566, 970, 9721, 6725, 40756, 75633, 224644, 83002, 5730999, 782494, 43057122, 50668237, 524684157, 756328549, 2510449426, 2952524594

Basic calculations (n = 15840)

Multiplication

n×y
n×2 31680
n×3 47520
n×4 63360
n×5 79200

Division

n÷y
n÷2 7920
n÷3 5280
n÷3 3960
n÷5 3168

Exponentiation

ny
n2 250905600
n3 3974344704000
n4 62953620111360000
n5 9.9718534256394E+20

Nth Root

y√n
2√n 125.85706178042
3√n 25.114144712878
4√n 11.218603379228
5√n 6.9175297480446

Divisors of 15840

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 33, 40, 48, 60, 66, 80, 96, 99, 120, 132, 160, 165, 198, 240, 264, 330, 396, 480, 495, 528, 660, 792, 990, 1056, 1320, 1584, 1980, 2640, 3168, 3960, 5280, 7920, 15840

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15840 can be divided by 48 positive divisors. The sum of these divisors (counting 15840) is 1, the average is 0.020833333333333.

Base conversion 15840

Base System Value
2 Binary 11110111100000
3 Ternary 210201200
4 Quaternary 3313200
5 Quinary 1001330
6 Senary 201200
8 Octal 36740
10 Decimal 15840
12 Duodecimal 9200
16 Hexadecimal 3de0
20 Vigesimal 1jc0
36 Base36 c80

Cryptographic Hash Functions

md5 43826cebaa67497d66b6bb8850d6a91a
sha1 745e597cb4fbbcc8aed8a9764c6777b7db8a2878
sha256 5aa789c71e05f6d657cec4f66cfa304bb8d4b36ede49a3a6bfb02b59fd7e85fb
sha512 73340f1cd709ec5de502286846858efe00db6d8455c97f87c4612d72401361ca54d22619c6deaa20bf56b67a58282cbcdb1d7dca7b9f69de7e5ef8a35db95e7a
ripemd-160 b9188911074061a402d51698cbf853cee0b0144e

15840 as geometric shapes

Circle

Radius = n
Diameter 31680
Circumference 99525.655265725
Area 788243189.70454

Sphere

Radius = n
Volume 16647696166560
Surface area 3152972758.8182
Circumference 99525.655265725

Square

Length = n
Perimeter 63360
Area 250905600
Diagonal 22401.14282799

Cube

Length = n
Surface area 1505433600
Volume 3974344704000
Space diagonal 27435.684791891

Equilateral Triangle

Length = n
Perimeter 47520
Area 108645311.77589
Altitude 13717.842395946

Triangular Pyramid

Length = n
Surface area 108645311.77589
Volume 468381015161.87
Height 7467.0476093299